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| Article number | 178843 |
| Alternative names | FFPM – Dupont Kalrez |
| Dimensions | 75.5x7 |
| Equal to | Kalrez® 6880 - Kalrez® 6221 - Perlast® G74S |
| Material | FFKM - FFPM |
| Product name | O-ring 75.5x7 FFKM - FFPM |
| Seal type | O-ring |
| Alternative Size | |
| AS568 Size Chart Explanation | AS 337 |
| DIN 3771 Size Chart Explanation | 75.5x7 |
| Size in text | seventy five comma fifty by seven zero |
| SMS 1586 Size chart | 75.5 x 7 |
| Basic Specifications | |
| Approval | FDA - EC1935/2004 - USP Class VI - 3A Sanitary Standard |
| Color | White |
| CS (Cross Section) Explanation | 7 mm |
| Hardness Explanation | 70 Shore A |
| ID (Inner diameter) Explanation | 75.5 mm |
| Equivalent to | |
| Dupont Kalrez® Equivalent | Dupont Kalrez 6880 & Dupont Kalrez 6221 |
| Freudenberg Simriz® Equivalent | Not Known |
| Greene Tweed Chemraz® Equivalent | Not Known |
| Parker Parafluor® Equivalent | Not Known |
| Precision Polymer Engineering Perlast® Equivilent | PPE Perlast G74S |
| Trelleborg Isolast® Equivalent | Not Known |
| Export Specifications | |
| Country of Origin | IT |
| Customs Code Explanation | 40169300 |
| Other Specifications | |
| Chemical Name | Perfluoroelastomer |
| Description 2 | O-ring FFKM - FFPM 75.5x7 |
| Trade names | Chemraz® - Simriz® - Kalrez® - Spectrum - Triazinico - Isolast® - Parofluor® - Fluorez - Perlast® - HPSealing® - Perfluor® - Polymax |
| Technical Specifications | |
| Compression Set Explanation | 217010303 % |
| Specific Gravity Explanation | 217010303 g/cm3 |
| Temperature Max | 270 ºC |
| Temperature Min | -20 ºC |
| Tensile Strength Explanation | 217010303 MPa |
| Ultimate Elongation Explanation | 217010303 % |
| attachment |  Material Datasheet |
This FFKM - FFPM O-Ring is 75.5x7mm and in the color White. The Hardness of this O-ring 75.5x7 - FFKM - FFPM - FDA - EC1935/2004 - USP Class VI - 70 Shore A - White - Kalrez® 6880 - ORS178843 (Equivilent) is 70 Shore A.The alternative names of the compound are FFPM – Dupont Kalrez and they are mostly produced by Chemraz® - Simriz® - Kalrez® - Spectrum - Triazinico - Isolast® - Parofluor® - Fluorez - Perlast® - HPSealing® - Perfluor® - Polymax. The O-ring is commonly used in and has an operating temperature range from -20 ºC to 270 ºC. O-rings 556926 are indicated as 178843 and have a DIN 3771 Size of 75.5x7. This item is equal to Kalrez® 6880 - Kalrez® 6221 - Perlast® G74S and has an FDA - EC1935/2004 - USP Class VI - 3A Sanitary Standard Approval. The chemical name of this Oring is Perfluoroelastomer.
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